Anyone out there can help? I bought a 98 TLR and change the oil to synthetic because it look as if it was not change ever, I never ride the bike with the old oil just started it up, took it out for the first time and having problem when I shift into 1st gear, it sound like the chain is locking up and it buck and stumbling, check the chain and it is not kink or binding. If I shift to any other gears it work fine. I pulled the clutch pack to see if they were worn out but everything look good. I change back to regular oil to see if that was the problem but the same thing is happening, when I change the old oil there was no metal filing in it, also check the oil when I change back to regular oil and no metal filing either. So don't think there is any broken or worn out gears, check around for new clutch kit but they are pretty costly at over $200 and don't want to buy something that is not the problem. I also check the clutch adjustment which engage and disengage with no problem.